What sound frequency do rats hate?
Likewise, people ask, does high frequency sound repel rats?
Effectiveness by Rodent While rats and mice are easily frightened by strange or unfamiliar noises, they adjust to repeated sounds. This means frightening devices that use high frequency and ultrasonic sounds will be ineffective at repelling these rodents from your home or garden.
Similarly, you may ask, are rats sensitive to noise?
Rats (Rattus spp.) are adapted to hear very well, and they use the sense to communicate at ranges we cannot even detect. Because their hearing is so sensitive, they're much more attuned to noises in their environment that a human ear couldn't even pick up, such as the sound of a thumb and forefinger rubbing together.
To kill rats naturally, you can place these leaves in their holes. These rodents will choke on the leaf, thus killing them. Onions Onions are another food you can use to kill rats naturally. All you need to do is to slice an onion, place it near their holes and wait for them to enjoy the feast.